Despite megafires that reduced much of their habitat to ash, some fish, amphibian and crayfish species in the Cascades ...

It is not a fair battle: Two scientists on a tiny boat against one of the world's most invasive species. For the past six years, Loyola University Chicago ecologist Reuben Keller and his students have ...

CHAMPAIGN-URBANA, Ill. (WCIA) — University of Illinois researchers studying an invasive species of crayfish recently made a unique discovery — two new species that had long been mistaken for the ...

ST. LOUIS, Mo.— Following litigation by the Center for Biological Diversity, the U.S. Fish and Wildlife Service today protected the Big Creek and St. Francis River crayfish as threatened under the ...